2023 BMW 4 Series 3.0 M440d MHT

Overview

• Make: BMW
• Model: 4 Series
• Version: 3.0 M440d MHT Auto 4WD Euro 6 (s/s) 2dr (335 bhp)
• Year: 2023
• Mileage: 64,210 miles
• Fuel: Diesel, mild hybrid
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 335 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 162 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 64,210 miles, this 2023 BMW 4 Series has covered about 36,200 more miles than other 2023 BMW 4 Series cars. The AskCar estimate for this car is £28,693. It is priced at £30,450, which is £1,757 above that estimate. The AskCar estimate uses 1,833 UK dealer adverts for the BMW 4 Series, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 28 days ago, the asking price has dropped by £500. Its advertised mileage matches the government's MOT record. The seller is Cotswold Bmw Cheltenham, based in Cheltenham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,757 (6%) over the AskCar estimate of £28,693.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 1,833 priced BMW 4 Series adverts across different ages and specifications, as of 5 November 2026.

A 2023 BMW 4 Series with the 3.0 diesel engine is typically advertised at £36,500: the median of the 38 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2023 BMW 4 Series has been on sale for at least 28 days.

Price history

AskCar first saw this advert on 8 October 2026 at £30,950. Its asking price is now £30,450, £500 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 8 October 2026: £30,950
• 4 November 2026: £30,450

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 18 January 2027.

It has had one MOT, on 19 January 2026, and passed.

Advisories at the latest test: offside rear tyre worn close to legal limit/worn on edge wearing on edge.

Mileage at that test: 54,382 miles, which matches the advertised 64,210 miles.

Advertised mileage is about 36,200 miles higher than the median mileage of a 2023 BMW 4 Series on AskCar.